Product Name: Wooden frame Black Chalkboard 400x500mm Model NO.: SK-WFC-4050 Structure: Flat Blackboard Usage: Display Board, Advertising Board, Office Whiteboard, Teaching Blackboard Type: Standard Blackboard Material: Magnetic Blackboard Trademark: Senko Transport Package: Carton Specification: 400x500mm, etc. Origin: China HS Code: 96100000 Product Description Wooden frame Black Chalkboard for FamilySenko wooden frame blackboard is produced with high quality wooden frame & writing surface sheet. It is special for high level market, who need good quality products only.The blackboard is magnetic, you can use magnetic buttons or strip on it, hang papers, etc.The structure is below:1. Surface: prepainted writing steel2. Middle: cardboard or MDF board3. Backside: none/or prepainted writing steelSize: 30x40cm, 40x50cm, etc.Welcome to contact us for details if you are interested in.